package cn.com.ebidding.util;

import cn.com.ebidding.persistence.beans.SysUser;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DriverManagerDataSource;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

/**
 * @program: blog
 * @description:
 * @author: wfy
 * @create: 2019-03-07 11:15
 */
public class ImportUserInfo {
    private static JdbcTemplate jdbcTemplate;

    static {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName("com.mysql.jdbc.Driver");
        dataSource.setUrl("jdbc:mysql://192.168.100.29:3306/dblog?useUnicode=true&characterEncoding=UTF-8");
        dataSource.setUsername("ebs");
        dataSource.setPassword("ebs_stdv5_11");
        jdbcTemplate = new JdbcTemplate(dataSource);
    }

    public static void main(String[] args) throws Exception {
//        addStaffRole();
    }
    /**
    * @Description:  为所有id大于6的用户赋予普通角色   role_id:5
    * @Param: []
    * @return: void
    * @Author: wanfy
    * @Date: 2019/3/7 2:29 PM
    */
    private static void addStaffRole() {
        List<Map<String, Object>> resultList = jdbcTemplate.queryForList("SELECT * FROM sys_user WHERE id >6");
        for (Map<String, Object> m : resultList) {
            BigInteger id = (BigInteger) m.get("id");

            jdbcTemplate.update("INSERT INTO sys_user_role (user_id,role_id) VALUES (?,?)", new Object[]{id.intValue(),5});
        }
    }

    /** 
    * @Description: 将数据从excel导入到sys_user表
    * @Param: [] 
    * @return: void 
    * @Author: wanfy
    * @Date: 2019/3/7 2:30 PM
    */ 
    public static void insertUserFromExcel() throws Exception {
        List<String[]> list = readExcel(new File("/Users/wfy/Downloads/上海汇招信息技术有限公司在职员工20190305.xls"));
        for (String[] arr : list) {
            SysUser sysUser = new SysUser();
            sysUser.setUsername(arr[5]);
            sysUser.setEmail(arr[5]);
            String[] emailArr = arr[5].split("@");
            String pwdPrefix = emailArr[0];
            // 密码为 邮箱艾特符号前的拼音+0+工号  （如果没有工号，则默认工号为10000
            String pwdsufix = arr[1] != "" ? arr[1] : "10000";
            String pwd = pwdPrefix + "0" + pwdsufix;
//            System.out.println(pwd);
            sysUser.setPassword(PasswordUtil.encrypt(pwd, sysUser.getUsername()));
            sysUser.setNickname(arr[0]);
            sysUser.setSource("EBIDDING");
            sysUser.setStatus(1);
            List<Map<String, Object>> resultList = jdbcTemplate.queryForList("SELECT * FROM sys_user WHERE username = ?", new Object[]{sysUser.getUsername()});
            if (resultList.size() == 0) {
                jdbcTemplate.update("INSERT INTO sys_user (username,password,nickname,email,source,status) VALUES (?,?,?,?,?,?)", new Object[]{sysUser.getUsername(), sysUser.getPassword(), sysUser.getNickname(), sysUser.getEmail(), sysUser.getSource(), sysUser.getStatus()});
            }
        }
    }

    private static Logger logger = LoggerFactory.getLogger(ImportUserInfo.class);
    private final static String xls = "xls";
    private final static String xlsx = "xlsx";

    /**
     * 读入excel文件，解析后返回
     *
     * @param file
     * @throws IOException
     */
    public static List<String[]> readExcel(File file) throws IOException {
        //检查文件
        checkFile(file);
        //获得Workbook工作薄对象
        Workbook workbook = getWorkBook(file);
        //创建返回对象，把每行中的值作为一个数组，所有行作为一个集合返回
        List<String[]> list = new ArrayList<String[]>();
        if (workbook != null) {
            for (int sheetNum = 0; sheetNum < workbook.getNumberOfSheets(); sheetNum++) {
                //获得当前sheet工作表
                Sheet sheet = workbook.getSheetAt(sheetNum);
                if (sheet == null) {
                    continue;
                }
                //获得当前sheet的开始行
                int firstRowNum = sheet.getFirstRowNum();
                //获得当前sheet的结束行
                int lastRowNum = sheet.getLastRowNum();
                //循环除了第一行的所有行
                for (int rowNum = firstRowNum + 1; rowNum <= lastRowNum; rowNum++) {
                    //获得当前行
                    Row row = sheet.getRow(rowNum);
                    if (row == null) {
                        continue;
                    }
                    //获得当前行的开始列
                    int firstCellNum = row.getFirstCellNum();
                    //获得当前行的列数
                    int lastCellNum = row.getPhysicalNumberOfCells();
                    String[] cells = new String[row.getPhysicalNumberOfCells()];
                    //循环当前行
                    for (int cellNum = firstCellNum; cellNum < lastCellNum; cellNum++) {
                        Cell cell = row.getCell(cellNum);
                        cells[cellNum] = getCellValue(cell);
                    }
                    list.add(cells);
                }
            }
            workbook.close();
        }
        return list;
    }

    public static void checkFile(File file) throws IOException {
        //判断文件是否存在
        if (null == file) {
            logger.error("文件不存在！");
            throw new FileNotFoundException("文件不存在！");
        }
        //获得文件名
        String fileName = file.getName();
        //判断文件是否是excel文件
        if (!fileName.endsWith(xls) && !fileName.endsWith(xlsx)) {
            logger.error(fileName + "不是excel文件");
            throw new IOException(fileName + "不是excel文件");
        }
    }

    public static Workbook getWorkBook(File file) {
        //获得文件名
        String fileName = file.getName();
        //创建Workbook工作薄对象，表示整个excel
        Workbook workbook = null;
        try {
            //获取excel文件的io流
            InputStream is = new FileInputStream(file);
            //根据文件后缀名不同(xls和xlsx)获得不同的Workbook实现类对象
            if (fileName.endsWith(xls)) {
                //2003
                workbook = new HSSFWorkbook(is);
            } else if (fileName.endsWith(xlsx)) {
                //2007
                workbook = new XSSFWorkbook(is);
            }
        } catch (IOException e) {
            logger.info(e.getMessage());
        }
        return workbook;
    }

    public static String getCellValue(Cell cell) {
        String cellValue = "";
        if (cell == null) {
            return cellValue;
        }
        //把数字当成String来读，避免出现1读成1.0的情况
        if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC) {
            cell.setCellType(Cell.CELL_TYPE_STRING);
        }
        //判断数据的类型
        switch (cell.getCellType()) {
            case Cell.CELL_TYPE_NUMERIC: //数字
                cellValue = String.valueOf(cell.getNumericCellValue());
                break;
            case Cell.CELL_TYPE_STRING: //字符串
                cellValue = String.valueOf(cell.getStringCellValue());
                break;
            case Cell.CELL_TYPE_BOOLEAN: //Boolean
                cellValue = String.valueOf(cell.getBooleanCellValue());
                break;
            case Cell.CELL_TYPE_FORMULA: //公式
                cellValue = String.valueOf(cell.getCellFormula());
                break;
            case Cell.CELL_TYPE_BLANK: //空值
                cellValue = "";
                break;
            case Cell.CELL_TYPE_ERROR: //故障
                cellValue = "非法字符";
                break;
            default:
                cellValue = "未知类型";
                break;
        }
        return cellValue;
    }
}
